What It Is: NiCd bateries are rechargeable bateries that use nickel oxide hydroxide and cadmium as electrodes. They are known for their ability to deliver a consistent voltage and perform well in extreme temperatures.

Examples: Used in power tools, cameras, and emergency lighting systems. Examples include cordless drills and portable vacuum cleaners that utilize NiCd batery packs.

How It’s Used: NiCd bateries are valued for their high discharge rates and long cycle life. However, they can pose environmental risks due to cadmium. During recycling, valuable nickel and cadmium are recovered, and the process ensures that hazardous materials are disposed of safely to prevent environmental contamination.